.login-form{
    width: 300px;
    background-color: #61ffcd;
    margin: 100px auto;
    padding: 20px;
    border-radius: 10px;
}
.login-form .DL{
    font-family: 楷体;
    font-size: 20px;
    margin-left: 100px;
}
.login-form .XT{
    background-color: red;
    color: white;
    margin-left: 80px;
}
.login-item{
  margin: 10px 0px;
}

.login-item:last-child{
    text-align: center;
}
.login-item button{
    font-size: 20px;
    line-height: 1.5em;
    width: 5em;
}